Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > Quinazoline (including hydrogenated)(i.e., the second cyclo in the bicyclo ring system is an ortho-fused six-membered carbocycle) > Chalcogen bonded directly to a ring carbon of the 1,3-diazine ring of the quinazoline ring system > Patents

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Class Information
Number: 514/266.3
Name: Drug, bio-affecting and body treating compositions > Designated organic active ingredient containing (doai) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., o,s,se or te) or nitrogen as the only ring hetero atoms doai > Hetero ring is six-membered consisting of two nitrogens and four carbon atoms (e.g., pyridazines, etc.) > 1,3-diazines (e.g., pyrimidines, etc.) > Polycyclo ring system having 1,3-diazine as one of the cyclos > Bicyclo ring system having the 1,3-diazine as one of the cyclos > Quinazoline (including hydrogenated)(i.e., the second cyclo in the bicyclo ring system is an ortho-fused six-membered carbocycle) > Chalcogen bonded directly to a ring carbon of the 1,3-diazine ring of the quinazoline ring system
Description: Subject matter wherein a ring carbon of the 1,3-diazine ring of the quinazoline ring system is directly bonded to a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

Sub-classes under this class:

Class Number	Class Name	Patents
514/266.31	Carbocyclic ring bonded directly to a ring carbon of the quinazoline ring system	101

Patents under this class:

1 2 3 4 5 6

Patent Number	Title Of Patent	Date Issued
8658656	Methods and compositions utilizing quinazolinones	Feb. 25, 2014
8633211	Bicyclic organic compounds suitable for the treatment of inflammatory or allergic conditions	Jan. 21, 2014
8623884	Quinazolinedione derivatives as PARP inhibitors	Jan. 7, 2014
8609674	Potassium channel modulators	Dec. 17, 2013
8609667	E-type phenyl acrylic ester compounds containing substituted anilino pyrimidine group and uses thereof	Dec. 17, 2013
8586597	6-fluoro-3-phenyl-2-[1-(9H-purin-6-ylamino)ethyl]-3H-quinazolin-4-one as an inhibitor of human phosphatidylinositol 3-kinase delta	Nov. 19, 2013
8575185	Compositions, synthesis, and methods of utilizing quinazolinedione derivatives	Nov. 5, 2013
8551950	Method of treatment or prophylaxis of inflammatory pain	Oct. 8, 2013
8552015	Quinazolinone derivatives and their use as CB agonists	Oct. 8, 2013
8524721	Platelet ADP receptor inhibitors	Sep. 3, 2013
8518960	Antiviral drugs for treatment or prevention of dengue infection	Aug. 27, 2013
8518441	Solid dispersions or solid dispersion pharmaceutical preparations of phenylalanine derivatives	Aug. 27, 2013
8513268	1H-quinazoline-2,4-diones processes for their production, pharmaceutical compositions, and treatment for epilepsy	Aug. 20, 2013
8507502	Fused bicyclic and tricyclic pyrimidine compounds as tyrosine kinase inhibitors	Aug. 13, 2013
8475776	Compositions and methods to treat diseases characterized by cellular proliferation and angiogenesis	Jul. 2, 2013
8470838	Methods and compositions utilizing quinazolinones	Jun. 25, 2013
8445491	Wnt protein signalling inhibitors	May. 21, 2013
8431585	Use of inhibitors of the EGFR-mediated signal transduction for the treatment of benign prostatic hyperplasia (BPH)/prostatic hypertrophy	Apr. 30, 2013
8372856	Hydrates of erlotinib hydrochloride	Feb. 12, 2013
8349852	Quinazolinone derivatives useful as vanilloid antagonists	Jan. 8, 2013
8349857	Quinazoline derivatives having tyrosine kinase inhibitory activity	Jan. 8, 2013
8349850	Heterocyclic compounds and uses thereof in the treatment of sexual disorders	Jan. 8, 2013
8329713	Fused ring heterocycles as potassium channel modulators	Dec. 11, 2012
8309561	Phenylalanine derivatives	Nov. 13, 2012
8299085	Quinazoline derivatives	Oct. 30, 2012
8268844	Crystals of isopropyl ester of N-(2,6-dichlorobenzoyl)-4-[6-(methylamino)methyl-1-methyl-2,4-dioxo-1,4-d- ihydroquinazoline-3(2H)-yl]-l-phenylalanine hydrochloride, production method thereo	Sep. 18, 2012
8268843	5,8-difluoro-4-(2-(4-(heteroaryloxy)-phenyl)ethylamino)quinazolines and their use as agrochemicals	Sep. 18, 2012
8268842	Fused ring 4-oxopyrimidine derivative	Sep. 18, 2012
8242126	Quinazolinedione derivatives, preparation thereof and therapeutic uses thereof	Aug. 14, 2012
8232285	Quinazolinone compounds and methods of use thereof	Jul. 31, 2012
8222264	Substituted amino-quinazolinones, medicaments comprising said compound, their use and their method of manufacture	Jul. 17, 2012
8211901	Naphthamide derivatives as multi-target protein kinase inhibitors and histone deacetylase inhibitors	Jul. 3, 2012
8211902	Quinazolinone derivatives useful as vanilloid antagonists	Jul. 3, 2012
8202879	Quinazoline derivatives having tyrosine kinase inhibitory activity	Jun. 19, 2012
8188103	Substituted 2-alkyl quinazolinone derivatives as PARP inhibitors	May. 29, 2012
8178544	2, 3-diamino-quinazolinone derivatives and their medical use	May. 15, 2012
8101624	Quinazoline derivatives	Jan. 24, 2012
8084459	Substituted quinazolinones for treating neurological conditions	Dec. 27, 2011
8067436	c-Met modulators and methods of use	Nov. 29, 2011
8030320	Derivatives of 1-OXO-1,2-dihydroisoquinoline-5-carboxamides and of 4-OXO-3,4-dihydroquinazoline-8-carboxamides, preparation thereof and application thereof in therapeutics	Oct. 4, 2011
8012988	N-(2,4-dioxo-6-(tetrahydrofuran-2-yl)-7-(trifluoromethyl)-1,4-dihydro-2H-q- uinazolin-3-yl)methanesulfonamide	Sep. 6, 2011
8008311	Methods and compostions utilizing quinazolinones	Aug. 30, 2011
7994182	Quinazolinone-derivatives and their use for preparation of pharmaceutical compositions having PARP enzyme inhibitory effect	Aug. 9, 2011
7951814	Quinazolinedione derivatives as TRPA1 modulators	May. 31, 2011
7951813	Quinazolinone derivatives as ALDH-2 inhibitors	May. 31, 2011
7939539	Quinazolinone compounds as anticancer agents	May. 10, 2011
7935709	2-quinazolinone compounds and methods of use	May. 3, 2011
7928114	Crystalline erlotinib	Apr. 19, 2011
7893071	Synthesis and evaluation of novel phthalimide mimics as anti-angiogenic	Feb. 22, 2011
7863283	Sulphoximine-substituted quinazoline derivatives as immuno-modulators, their preparation and use as medicaments	Jan. 4, 2011